Chess Elo Calculator

by https://chessmovecalc.com · chessmovecalc.com · Games

Manifest V3 Free

View in Chrome Web Store Data as of 12 Nov 2026

Calculate your new Elo rating after a chess game using the standard Elo formula.

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#197K

#174K among extensions

Version

1.0.0

updated 19 Jan 2026

Users

monthly, 10 months

Latest, 12 Nov 2026: 10 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 12 Nov 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Chess Elo Calculator

The free Chess Elo Calculator by ChessMoveCalc.com. This extension allows you to: - Calculate your new rating instantly (FIDE, USCF, & Online). - Analyze game results without leaving your tab. - Quick-launch the full Stockfish 16 engine for deep analysis. Perfect for players on Lichess and Chess.com who want to track their progress accurately. Features: - Lightweight & Fast - Support for K-Factor 10, 20, 40 - Direct access to Next Move Solver - 100% Free Official Website: https://chessmovecalc.com/